﻿/**

 * Copyright (c) 2015-2017, FastDev 刘强 (fastdev@163.com).

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OF.ILModifier.Extension;

namespace OF.ILModifier.Common
{
    public class Util
    {
        public static IEnumerable<R> Filter<C1, R>(IEnumerable<R> input, C1 category, Func<C1, R, bool> func)
        {
            List<R> result = new List<R>();
            foreach (var item in input.ToList())
            {
                if (func(category, item))
                {
                    result.Add(item);
                }
            }
            return result;
        }

        public static IEnumerable<R> Filter<C1, C2, R>(IEnumerable<R> input, C1 category, C2 category2, Func<C1, C2, R, bool> func)
        {
            List<R> result = new List<R>();
            foreach (var item in input.ToList())
            {
                if (func(category, category2, item))
                {
                    result.Add(item);
                }
            }
            return result;
        }
    }
}
